Dog Distemper: What Canine Owners Need to Know About This Serious Disease

Dog Distemper: What Canine Owners Need to Know About This Serious Disease
May 20, 2025

Dog distemper is a serious and highly contagious viral disease that can affect your dog and other animals like ferrets, raccoons, and skunks. As a dog owner, understanding the signs, how it spreads, and what your veterinarian can do is crucial for protecting your beloved pet.

Recognizing the Signs: Symptoms of Dog Distemper to Watch For

The symptoms of dog distemper can vary, and your dog might show different signs depending on the stage of the illness. It's important to contact your veterinarian if you notice any of the following: 

  • Early Stage: Watery or pus-like discharge from the eyes, fever, clear nasal discharge, loss of appetite, and lethargy. Your dog might seem tired and less interested in food.
  • As the Virus Spreads: Coughing, difficulty breathing, vomiting, and diarrhea can occur as the virus affects the respiratory and digestive systems.
  • Neurological Signs: In more advanced cases, the virus can attack the nervous system, leading to involuntary muscle twitches (especially in the face, sometimes called "chewing gum fits"), seizures, head tilt, circling, lack of coordination, and even paralysis.
  • Other Signs: Some dogs may develop a hardening of the nose and footpads, known as "hard pad disease". If your dog was infected as a puppy before their adult teeth came in, they might have permanent tooth damage.

Remember that these symptoms can sometimes resemble other illnesses, so it's always best to consult an Emergency Veterinarian from Oklahoma Veterinary Specialists for an accurate diagnosis.

How Dog Distemper Spreads: Protecting Your Canine

Dog distemper spreads easily, so understanding how it's transmitted is key to prevention. The virus primarily spreads through: 

  • Airborne Exposure: When an infected dog coughs, sneezes, or barks, they release tiny droplets containing the virus into the air, which other dogs can then inhale.
  • Direct Contact: Your dog can get infected by coming into direct contact with an infected animal's bodily fluids, such as saliva, urine, and blood. This can happen through sharing food and water bowls or grooming each other.
  • Contaminated Objects: The virus can live on objects like bedding and toys that have been in contact with an infected animal.
  • Mother to Puppies: An infected mother dog can pass the virus to her puppies before they are born.
  • Wildlife: Wild animals like raccoons, foxes, and skunks can carry the virus and potentially infect domestic dogs.

Unvaccinated puppies and dogs are most at risk of catching dog distemper. Places where dogs gather, such as shelters, pet shops, and dog parks, can also be higher-risk environments if an infected animal is present. 

At the Vet: Diagnosing Dog Distemper

If you suspect your dog might have distemper, an emergency veterinarian will perform a thorough examination. Because the symptoms can be varied, they might use a combination of methods to reach a diagnosis: 

  • Clinical Signs: Your vet will assess your dog's symptoms and overall health.
  • Medical History: They'll ask about your dog's vaccination history and any potential exposure to other animals.
  • Laboratory Tests: To confirm the diagnosis, your vet might recommend tests such as RT-PCR to detect the virus's genetic material or antibody tests to see if your dog's immune system is fighting the virus. These tests can be done on blood, urine, or discharge samples.

It's important to be open and honest with your vet about any symptoms you've observed and your dog's recent activities to help them make the most accurate diagnosis. 

Treatment Options: What a Veterinarian Can Do

Currently, there's no specific medication to cure dog distemper as it's a virus. Treatment focuses on supporting your dog's body as it fights the infection and preventing secondary problems. A veterinarian might recommend: 

  • Supportive Care: This can include intravenous fluids to keep your dog hydrated if they're vomiting or have diarrhea. They might also provide medications to help control vomiting, diarrhea, and seizures.
  • Antibiotics: Because distemper can weaken your dog's immune system, they might be given antibiotics to prevent or treat secondary bacterial infections, such as pneumonia.
  • Isolation: To prevent the spread of this highly contagious virus, your vet will likely recommend isolating your dog from other animals.
  • Nursing Care: Providing a warm, comfortable environment and ensuring your dog gets proper nutrition is also crucial.

A veterinarian will tailor the treatment plan to your dog's specific needs and the severity of their illness.

The Importance of Prevention: Vaccination and Regular Check-Ups

The best way to protect your dog from canine distemper is through vaccination. The distemper vaccine is a core vaccine recommended for all dogs and is usually given as part of a combination vaccine (often called DAPP or DA2PP) that also protects against other serious dog viruses. 

  • Puppy Vaccinations: Puppies need a series of vaccinations starting between 6 and 8 weeks of age, given every 2 to 4 weeks until they are around 16 to 20 weeks old. This series helps build strong immunity as maternal antibodies wear off. 
  • Booster Shots: Adult dogs need booster shots to maintain their protection. Typically, a booster is given a year after the initial puppy series, and then every 3 years, although your vet might recommend a different schedule based on your dog's risk factors. 

Regular check-ups with your veterinarian are also essential for staying up-to-date on vaccinations and monitoring your dog's overall health. Discuss your dog's lifestyle and risk factors with your vet to ensure they have the best protection against distemper and other preventable diseases. 

Financial Considerations: Planning for Your Dog's Care

Unexpected health issues like dog distemper can be a financial worry for pet owners. While the cost of treating distemper can vary, it's important to be prepared for potential expenses, which might include veterinary visits, laboratory tests, medications, and hospitalization. Many pet owners find it helpful to have pet insurance or a dedicated savings plan to help manage unexpected veterinary costs.

Discussing the potential costs of care with Oklahoma Veterinary Specialists upfront can also help you make informed decisions about your dog's treatment.

Dog Distemper and Humans: Understanding the Risks

It's natural to be concerned about your own health when your dog is sick. However, canine distemper is not known to be transmissible to humans. The virus that causes distemper in dogs is different from the viruses that cause diseases in humans like measles. So, while you should take precautions to prevent the spread of the virus to other animals, you don't need to worry about catching distemper from your dog. 

Conclusion: Partnering with Your Vet for Your Dog's Well-being

Dog distemper is a serious disease, but with awareness, prevention through vaccination, and prompt veterinary care, you can help protect your dog. If you notice any signs of illness, don't hesitate to contact veterinary specialists. They are your best partner in ensuring your canine companion stays healthy and happy.

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